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Production of foam-backed mineral panels comprises coating mineral panel with foamable polyurethane composition in unheated mold and foaming composition under autogenous pressure
Production of foam-backed mineral panels comprises coating mineral panel with foamable polyurethane composition in unheated mold and foaming composition under autogenous pressure
Production of foam-backed mineral panels comprises placing a mineral panel in an unheated mold, coating the panel with a foamable polyurethane composition, sealing the mold, and allowing the composition to foam under autogenous pressure.
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